What is a "bandwidth-limited signal"?

A) A signal that can pass through any frequency

B) A signal that has no frequencies above a certain cutoff

C) A signal that is only composed of harmonic frequencies

D) A signal that requires high sample rates for processing

Answer: B) A signal that has no frequencies above a certain cutoff

Explanation: A bandwidth-limited signal contains frequency components only within a specified range, making it essential for efficient transmission and processing in communications.